A-Z HSSCO M42 COBALT JOBBER YG-1 GOLD-P LETTER DRILL SET 26 PCS IN PLASTIC CASE. This A-Z HSSCO M42 Cobalt Jobber YG-1 Gold-P Letter Drill Set is a must-have for any metalworking enthusiast. With 26 pieces in a plastic case, this set is perfect for those who need a variety of drill sizes for their projects. The YG-1 brand is known for its quality and durability, making this set a reliable choice for any metalworking application. Whether you’re a professional or a DIYer, this set is ideal for drilling through a range of materials. From other metalworking drills to metalworking supplies, this set is a great addition to your collection. With its compact size and easy-to-use design, this drill set is perfect for anyone who wants to take their metalworking projects to the next level.